Florida Power and Light, which serves around 6 million customers in Florida and serves all of Flagler County, far exceeded the 13 to 15 percent average in profit margin for American investor-owned utilities, ranking atop the list in profit margin for 2025, and second on the list between 2021 and 2024. FPL’s profit margin in 2025 was 27.44 percent, followed by MidAmerivan Energy with 27.16 percent.
